Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Master Cylinder Priming - 4.6L
1. CAUTION: Use only bleed screws on the engine side of the
brake master cylinder
(2140). The hydro-boost bleed screw, located near the dash on the
hydro-booster
casting, is for the booster cavity filled with power steering fluid, not
brake fluid. ...
Body System - General Information
General Specifications
Body
Body and Sheet Metal
The body:
Is a unibody open cowl structure.
Is constructed of a lightweight, all-steel material with
removable bolted hood (16612), front
fenders (16005), doors, and luggage compartment lid ...
Transmission (Installation)
Material
Item
Specification
DEXRON III (ATF)
Transmission Fluid
XT-2-QDX or equivalent
DEXRON III
Pipe Sealant with Teflon
D8AZ-19554-A or equivalent
WSK-M2G350-
A2
Premium Long Life Grease
XG-1-C, K or T or equivalent
...
